package com.example.test;

public class MyStr {

    public static void main(String[] args) {
//        String str1 = new StringBuilder("计算机").append("软件").toString();
//        System.out.println(str1.intern() == str1);
//        String str2 = new StringBuilder("ja").append("va").toString();
//        System.out.println(str2.intern() == str2);
        String str3 = "计算机软件";
        System.out.println(str3.intern() == str3);
        String str4 = "java";
        System.out.println(str4.intern() == str4);
    }
}
